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-rw-r--r--tools/perf/include/bpf/bpf.h70
1 files changed, 0 insertions, 70 deletions
diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h
deleted file mode 100644
index b422aeef5339..000000000000
--- a/tools/perf/include/bpf/bpf.h
+++ /dev/null
@@ -1,70 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#ifndef _PERF_BPF_H
-#define _PERF_BPF_H
-
-#include <uapi/linux/bpf.h>
-
-/*
- * A helper structure used by eBPF C program to describe map attributes to
- * elf_bpf loader, taken from tools/testing/selftests/bpf/bpf_helpers.h:
- */
-struct bpf_map {
- unsigned int type;
- unsigned int key_size;
- unsigned int value_size;
- unsigned int max_entries;
- unsigned int map_flags;
- unsigned int inner_map_idx;
- unsigned int numa_node;
-};
-
-#define bpf_map(name, _type, type_key, type_val, _max_entries) \
-struct bpf_map SEC("maps") name = { \
- .type = BPF_MAP_TYPE_##_type, \
- .key_size = sizeof(type_key), \
- .value_size = sizeof(type_val), \
- .max_entries = _max_entries, \
-}; \
-struct ____btf_map_##name { \
- type_key key; \
- type_val value; \
-}; \
-struct ____btf_map_##name __attribute__((section(".maps." #name), used)) \
- ____btf_map_##name = { }
-
-/*
- * FIXME: this should receive .max_entries as a parameter, as careful
- * tuning of these limits is needed to avoid hitting limits that
- * prevents other BPF constructs, such as tracepoint handlers,
- * to get installed, with cryptic messages from libbpf, etc.
- * For the current need, 'perf trace --filter-pids', 64 should
- * be good enough, but this surely needs to be revisited.
- */
-#define pid_map(name, value_type) bpf_map(name, HASH, pid_t, value_type, 64)
-
-static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem;
-static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem;
-
-static void (*bpf_tail_call)(void *ctx, void *map, int index) = (void *)BPF_FUNC_tail_call;
-
-#define SEC(NAME) __attribute__((section(NAME), used))
-
-#define probe(function, vars) \
- SEC(#function "=" #function " " #vars) function
-
-#define syscall_enter(name) \
- SEC("syscalls:sys_enter_" #name) syscall_enter_ ## name
-
-#define syscall_exit(name) \
- SEC("syscalls:sys_exit_" #name) syscall_exit_ ## name
-
-#define license(name) \
-char _license[] SEC("license") = #name; \
-int _version SEC("version") = LINUX_VERSION_CODE;
-
-static int (*probe_read)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read;
-static int (*probe_read_str)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read_str;
-
-static int (*perf_event_output)(void *, struct bpf_map *, int, void *, unsigned long) = (void *)BPF_FUNC_perf_event_output;
-
-#endif /* _PERF_BPF_H */